rtlwifi/rtl8192ce/dm.c

0001 // SPDX-License-Identifier: GPL-2.0
0002 /* Copyright(c) 2009-2012  Realtek Corporation.*/
0003
0004 #include "../wifi.h"
0005 #include "../base.h"
0006 #include "../pci.h"
0007 #include "../core.h"
0008 #include "reg.h"
0009 #include "def.h"
0010 #include "phy.h"
0011 #include "dm.h"
0012 #include "../rtl8192c/fw_common.h"
0013
0014 void rtl92ce_dm_dynamic_txpower(struct ieee80211_hw *hw)
0015 {
0016     struct rtl_priv *rtlpriv = rtl_priv(hw);
0017     struct rtl_phy *rtlphy = &(rtlpriv->phy);
0018     struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
0019     long undec_sm_pwdb;
0020
0021     if (!rtlpriv->dm.dynamic_txpower_enable)
0022         return;
0023
0024     if (rtlpriv->dm.dm_flag & HAL_DM_HIPWR_DISABLE) {
0025         rtlpriv->dm.dynamic_txhighpower_lvl = TXHIGHPWRLEVEL_NORMAL;
0026         return;
0027     }
0028
0029     if ((mac->link_state < MAC80211_LINKED) &&
0030         (rtlpriv->dm.entry_min_undec_sm_pwdb == 0)) {
0031         rtl_dbg(rtlpriv, COMP_POWER, DBG_TRACE,
0032             "Not connected to any\n");
0033
0034         rtlpriv->dm.dynamic_txhighpower_lvl = TXHIGHPWRLEVEL_NORMAL;
0035
0036         rtlpriv->dm.last_dtp_lvl = TXHIGHPWRLEVEL_NORMAL;
0037         return;
0038     }
0039
0040     if (mac->link_state >= MAC80211_LINKED) {
0041         if (mac->opmode == NL80211_IFTYPE_ADHOC) {
0042             undec_sm_pwdb = rtlpriv->dm.entry_min_undec_sm_pwdb;
0043             rtl_dbg(rtlpriv, COMP_POWER, DBG_LOUD,
0044                 "AP Client PWDB = 0x%lx\n",
0045                 undec_sm_pwdb);
0046         } else {
0047             undec_sm_pwdb = rtlpriv->dm.undec_sm_pwdb;
0048             rtl_dbg(rtlpriv, COMP_POWER, DBG_LOUD,
0049                 "STA Default Port PWDB = 0x%lx\n",
0050                 undec_sm_pwdb);
0051         }
0052     } else {
0053         undec_sm_pwdb = rtlpriv->dm.entry_min_undec_sm_pwdb;
0054
0055         rtl_dbg(rtlpriv, COMP_POWER, DBG_LOUD,
0056             "AP Ext Port PWDB = 0x%lx\n",
0057             undec_sm_pwdb);
0058     }
0059
0060     if (undec_sm_pwdb >= TX_POWER_NEAR_FIELD_THRESH_LVL2) {
0061         rtlpriv->dm.dynamic_txhighpower_lvl = TXHIGHPWRLEVEL_LEVEL1;
0062         rtl_dbg(rtlpriv, COMP_POWER, DBG_LOUD,
0063             "TXHIGHPWRLEVEL_LEVEL1 (TxPwr=0x0)\n");
0064     } else if ((undec_sm_pwdb < (TX_POWER_NEAR_FIELD_THRESH_LVL2 - 3)) &&
0065            (undec_sm_pwdb >= TX_POWER_NEAR_FIELD_THRESH_LVL1)) {
0066
0067         rtlpriv->dm.dynamic_txhighpower_lvl = TXHIGHPWRLEVEL_LEVEL1;
0068         rtl_dbg(rtlpriv, COMP_POWER, DBG_LOUD,
0069             "TXHIGHPWRLEVEL_LEVEL1 (TxPwr=0x10)\n");
0070     } else if (undec_sm_pwdb < (TX_POWER_NEAR_FIELD_THRESH_LVL1 - 5)) {
0071         rtlpriv->dm.dynamic_txhighpower_lvl = TXHIGHPWRLEVEL_NORMAL;
0072         rtl_dbg(rtlpriv, COMP_POWER, DBG_LOUD,
0073             "TXHIGHPWRLEVEL_NORMAL\n");
0074     }
0075
0076     if ((rtlpriv->dm.dynamic_txhighpower_lvl != rtlpriv->dm.last_dtp_lvl)) {
0077         rtl_dbg(rtlpriv, COMP_POWER, DBG_LOUD,
0078             "PHY_SetTxPowerLevel8192S() Channel = %d\n",
0079             rtlphy->current_channel);
0080         rtl92c_phy_set_txpower_level(hw, rtlphy->current_channel);
0081     }
0082
0083     rtlpriv->dm.last_dtp_lvl = rtlpriv->dm.dynamic_txhighpower_lvl;
0084 }